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Home ProductsIndoor Vacuum Circuit Breaker

Protection Control Indoor Vacuum Circuit Breaker Power Equipment

Protection Control Indoor Vacuum Circuit Breaker Power Equipment

Protection Control Indoor Vacuum Circuit Breaker Power Equipment
Protection Control Indoor Vacuum Circuit Breaker Power Equipment

Large Image :  Protection Control Indoor Vacuum Circuit Breaker Power Equipment Get Best Price

Product Details:

Place of Origin: China
Brand Name: Comking
Certification: Type Test Report
Model Number: CKVB-12/GC

Payment & Shipping Terms:

Minimum Order Quantity: 1set
Price: To be discussed later
Packaging Details: Wooden Packing
Delivery Time: 10-15 work days
Payment Terms: L/C, T/T, Western Union
Detailed Product Description
Rated Voltage: 12kV Rated Current: 630A,1250A,1600A,2000A,2500A,3150A,4000A
Rated Frequency: 50Hz Type: Indoor
High Light:

electrical circuit breaker

,

3 phase circuit breaker

1. CKVB-12/GC is withdrawable circuit breaker.

 

2. Working Condition

2.1 Ambient air temperature: -25℃~+40℃

 

2.2 Ambient humidity:

---- relative average daily humidity: ≤95%

---- relative average daily water vapor pressure: ≤2.2kPa

---- relative average monthly humidity: ≤90%

---- relative average monthly water vapor pressure: ≤1.8kPa

 

2.3 Altitude: ≤1000m

 

2.4 Earthquake intensity: ≤magnitude 8

 

2.5 Ambient air doesn’t obviously pollute by dust, smoke, corrosive or combustible gas, vapors or salt spray.

(Exceeding above working condition is available as customized product)

 

3. Technical Data

Description Unit Parameter
Rated voltage kV 12
Short-time withstand voltage kV 42
Lighting impulse withstand voltage kV 75
Rated frequency Hz 50
Rated current A 630 1250 1600 2000,2500 3150,4000
Pole centre distance mm 150 210 150 210 275 210 275 275 275
Rated short-circuit breaking current kA 25 31.5 25 31.5 25 31.5 25 31.5 40 40 31.5 40 31.5 40 31.5 40 40
Rated short-circuit making current kA 63 80 63 80 63 80 63 80 100 100 80 100 80 100 80 100 100
Short-time withstand current(4s) kA 25 31.5 25 31.5 25 31.5 25 31.5 40 40 31.5 40 31.5 40 31.5 40 40
Rated peak withstand current kA 63 80 63 80 63 80 63 80 100 100 80 100 80 100 80 100 100
Operating sequence   Opening-0.3s –closing opening-180s –closing opening
Opening time ms 20~50
Arc time ms ≤15
Closing time ms 30~70
Average closing speed m/s 0.5~0.8
Average opening speed m/s 0.9~1.2
Bounce time for contact’s closing ms ≤2
Asynchronous time for contact’s closing / opening ms ≤2
Allowable accumulated wearing thickness of moving/fixing contact mm 3

4. Standard

---- GB1984-2003

---- IEC60056-2001

---- GB/T16927-1997

---- GB/T 4473-2008

---- DL/T403-2000

---- JB/T3855-2008

 

 

 

 

Contact Details
Zhuhai Comking Electric Co.,Ltd.

Contact Person: Sabrina Yang

Tel: 86 756 8992445

Send your inquiry directly to us